Extension of phosphorescence and delayed fluorescence lifetime of carbon dots using substrate-assisted method

Chemical Engineering Journal, Год журнала: 2024, Номер unknown, С. 158747 - 158747

Опубликована: Дек. 1, 2024

Язык: Английский

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Recent Advances in Carbon Dots: Applications in Oral Diseases

ACS Applied Nano Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 19, 2024

Over the years, oral and maxillofacial injuries, mainly caries, pulpitis, bone defects, cancer, often involve a variety of organs tissues, resulting in structural dysfunction, adverse effects on facial appearance, not only affecting people's chewing, swallowing other physiological functions, but also to physical mental health burden. As type carbon-based nanomaterial, carbon dots (CDs) have been widely used diagnosis treatment diseases due its excellent optical properties, good biocompatibility low toxicity. In addition, surface functionalization or passivation CDs can change properties CDs, such as water solubility chemiluminescence, broaden biomedical potential CDs. this review, latest research progress modified hard tissue regeneration, tumor treatment, antibacterial activity, dentin pulp complex teeth whitening, wound healing, drug release, fluorescence tracer bioimaging were reviewed. we discussed problems future direction development.

Язык: Английский

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Breaking the Spin-Forbidden Restriction to Achieve Long Lifetime Room-Temperature Phosphorescence of Carbon Dots

Nano Letters, Год журнала: 2024, Номер unknown

Опубликована: Дек. 20, 2024

Room-temperature phosphorescent (RTP) carbon dots (CDs) demonstrate significant potential applications in the field of information anticounterfeiting due to their excellent optical properties. However, RTP emission CDs remains significantly limited spin-forbidden properties triplet exciton transitions. In this work, an situ nitrogen doping strategy was employed design and construct strong spin–orbit coupling nitrogen-doped with mesoporous silica alumina (N-CDs@MS@Al2O3) composites. Both experimental results theoretical calculations confirmed that formation 1(n, π*) following introduction breaks restriction from 1(π, 3(π, π*), thereby enhancing coupling, which further promotes intersystem crossing leads effective population excitons. The designed N-CDs@MS@Al2O3 benefiting impressive long lifetime 3.18 s demonstrates application prospects multilevel encryption. This work provides a new concept boost CDs.

Язык: Английский

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Carbon dots-engineered gold nanoclusters in silica enabled aqueous-phase fluorescence-phosphorescence dual-emission towards advanced luminescent anti-counterfeiting

Nano Research, Год журнала: 2024, Номер 18(2), С. 94907172 - 94907172

Опубликована: Дек. 16, 2024

Язык: Английский

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Room temperature phosphorescent carbon dot composites in aqueous solutions: synthesis, properties, and tumor diagnosis and therapy

Chemical Engineering Journal, Год журнала: 2024, Номер unknown, С. 157825 - 157825

Опубликована: Ноя. 1, 2024

Язык: Английский

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